1. A gundam
2. a starship (well why not?! =P)
3. a galaxy, universe, continuum, plane of existence... (lets see how far I can push this)
4. Suzuki-san the huge teddy bear from Junjou Romantica
5. The Shinrabanshō, from Nabari no Ou (who would need any thing like a geass, bloodline, zanpaktou, shugo chara, or innocence (close range combat/manipulation when you have this X-D )